import java.sql.*;
import java.util.*;
import javax.ejb.*;
import javax.naming.*;
import javax.sql.*;

public abstract class CmDvdBean implements EntityBean {

    private EntityContext context;
    /*bean state fields*/
    private String isbn;  //the primary key
    private String title;
    private String format;    
    
    /*methods in remote interface, access state fields*/ 
    
    public abstract void setIsbn(String isbn);
    public abstract void setTitle(String title);
    public abstract void setFormat(String format);
 
    public abstract String getIsbn();    
    public abstract String getTitle();
    public abstract String getFormat(); 
    
    public String getAsString() {
       return("dvd = isbn: " + getIsbn() + 
              " title: " + getTitle() + 
              " format: " + getFormat());          
    }     
    
    
    /*methods in home interface, use table(s)  */    
    
    public String ejbCreate(String isbn, 
                            String title, 
                            String format) 
                            throws CreateException
    {
       setIsbn(isbn);
       setTitle(title);
       setFormat(format);

       return isbn;
    }

    /* methods necessary in an entity bean, in 
       cm-ejb db calls are handled by the container */     
   
   public void ejbRemove() 
   {} 

   public void setEntityContext(EntityContext entityContext) 
   {
       this.context = entityContext;
   }

   public void unsetEntityContext() 
   {
       this.context = null;
   }

   public void ejbActivate() { }

   public void ejbPassivate() { }

   public void ejbLoad() { }
   
   public void ejbStore() { }

   public void ejbPostCreate(String isbn, 
                             String title, 
                             String format) { }
}